One car suddenly came loose and the whole dome ricocheted around, staring an electrical fire, before plunging to the ground, with more than 40 people inside. Six died, five

were critically injured, with five more having serious injuries.

3. Six people have lost their lives in separate incidents at Action Park in New Jersey, USA, with countless others injured since opening in 1978

The wave pool was the most dangerous ride, which became known as the "Grave Pool" after a series of deaths in the 1980s. In July 1982, a 15-year-old boy drowned, in

1984, a 20-year-old drowned, and in July 1987, an 18-year-old was also killed in the pool.

An electrocution, heart attack and having their face smashed onto a rock during a ride killed the three others.

The park shut in 1996 due to legal action, but reopened under a new name in 1998 following a safety-led refit. Its name reverted back to Action Park last year.

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Fire breaks out at theme park hanted house

4. World's worst roller coaster: Five children dead and 13 people injured at Battersea funfair in London

The worst roller coaster death toll happened in London in the 1970s.

In summer 1972 at Battersea Funfair, a rope taking cars to the top of the ride broke and the cars rolled back into a wall and killing five children, and seriously injuring

13.

Negligence was blamed, but it took two years for the fair to close.

5. Cars flew off roller coaster: One death and 19 injured at Expoland, Suita, Osaka, Japan

This park opened in 1970 and was trouble free for 37 years.

On May 5, 2007 the Fujin Raijin II roller coaster derailed, sending cars flying off the tracks, injuring 19 people and killing a 19-year-old student.

Investigators found none of the ride's axles were replaced for 15 years and a broken one caused the crash and it closed for good that year.

6. Deaths on 'world's Safest Roller Coaster': Three plunged to their death from the Mindbender, at Galaxyland Amusement Park, in Alberta, Canada

The Mindbender - the world's largest indoor triple loop roller coaster, was described as one of the "safest rides in the world" when it was built.

But on an evening in June 1986 missing bolts caused the four-car-train to fly from the track.

The last car colliding with support structures before crashing into a concrete pillar in front of a packed audience watching a concert. Three people fell to their deaths and the fourth suffered serious neck and chest injuries.

7. Theme Park haunted by tragic victims: Series of horrific deaths happened the SAME day at King's Island, in Mason, Ohio, USA

This park is still open, despite a series of mishaps on June 9, 1991.

A man fell into a pond, but when his friend William Haithcoat, 20, and Darrel Robertson, 20, tried to rescue him all three were electrocuted. It killed the rescuers, while the

man who fell survived.

Just an hour later, in an unconnected event, Candy Taylor, 32, fell from a ride called the Flight Commander and died on impact.

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Japanese news coverage showing aftermath of tragedy

8. Expoland, at Suita, Osaka, Japan

It opened in 1970. On May 5, 2007 the Fujin Raijin II roller coaster derailed, sending cars flying off the tracks, injuring 19 people and killing a 19-year-old student.

Investigators found none of the ride's axles were replaced for 15 years and a broken one caused the crash and it closed for good that year.

9. A superman-themed ride at Darien Lake accident ended the life of an Iraq war veteran who had lost both his legs in the conflict

James Hackener, a US Army vet, was thrown from the roller coaster and fell to his death in July 2011.

It was later found the safety barriers were not designed for amputees and he should never have been allowed on.

A man was thrown from the ride three days after the park opened in 1999, but espaceed with injuries. It remains open.

10. In June 2008 a teenager was decapitated by another super hero roller coaster

It happened after he hopped over two fences into a restricted area to retrieve a hat he lost while on the ride.

Asia Ferguson, 17, had been riding the Batman roller coaster at the Six Flags Over Georgia park in Georgia, USA.

Afterwards he walked under the ride and was struck in the head.

10 of the world's most terrifying roller coasters

Thu, May 14, 2015

We've rounded up 10 of the world's most terrifying roller coasters - one of which hasn't even beenbuilt yet.